Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8739612 | Wear control apparatus and wind turbine blade monitoring system including wind turbine blade | Masaya Kawano, Noriyuki Hayashi, Takao Kuroiwa | 2014-06-03 |
| 8517681 | Wind turbine blade and wind turbine generator having the same | Takehiro Naka, Takatoshi Matsushita, Yoshihiko Hayashi, Shinji Arinaga | 2013-08-27 |
| 8475135 | Wind turbine blade with sufficiently high strength and light weight | Takao Kuroiwa, Toshiyuki Hirano | 2013-07-02 |
| 8133031 | Lightning protection device of windmill blade | Shinji Arinaga, Masaaki Shibata, Takatoshi Matsushita, Kazuhisa Tsutsumi, Takao Kuroiwa +2 more | 2012-03-13 |
| 8083212 | Wind-turbine rotor-blade hoisting apparatus, method for attaching wind-turbine rotor blade, and method for constructing wind power generator | Tomohiro Numajiri | 2011-12-27 |
| 8043067 | Wind turbine blade with sufficiently high strength and light weight | Takao Kuroiwa, Toshiyuki Hirano | 2011-10-25 |
| 4329187 | Apparatus and method for cutting continuous metal sheet by melting portion thereof and trimming end of cut sheet | Bunnosuke Ushioda | 1982-05-11 |